[Jewelry making - Article 00150] - Re: [Orchid] Safety of fans for soldering ventilation

[James Binnion]

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>     I was taught to use turn off the bottle valve and light the torch
>     to bleed the lines. Then you are not directly venting the flammable
>     gasses. 

    This is not the best practice as you can cause a flashback when
    doing this which can in extreme cases damage your hoses and or torch.
    You should just bleed down each line separately with only the valve
    for that line open. 

Jim

James Binnion
jbin AT mokume-gane.com
James Binnion Metal Arts
http://www.mokume-gane.com
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